AU502062B1 - Producing groundwood pulp - Google Patents

Producing groundwood pulp

Info

Publication number
AU502062B1
AU502062B1 AU38694/78A AU3869478A AU502062B1 AU 502062 B1 AU502062 B1 AU 502062B1 AU 38694/78 A AU38694/78 A AU 38694/78A AU 3869478 A AU3869478 A AU 3869478A AU 502062 B1 AU502062 B1 AU 502062B1
Authority
AU
Australia
Prior art keywords
groundwood pulp
producing
producing groundwood
pulp
groundwood
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU38694/78A
Other languages
English (en)
Inventor
Ja. I Lindahl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mo och Domsjo AB
Original Assignee
Mo och Domsjo AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mo och Domsjo AB filed Critical Mo och Domsjo AB
Application granted granted Critical
Publication of AU502062B1 publication Critical patent/AU502062B1/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1026—Other features in bleaching processes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/14—Disintegrating in mills
    • D21B1/16—Disintegrating in mills in the presence of chemical agents

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
AU38694/78A 1978-02-16 1978-08-07 Producing groundwood pulp Expired AU502062B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SESE7801813 1978-02-16
SE7801813A SE420329C (sv) 1978-02-16 1978-02-16 Forfarande for framstellning av slipmassa vid overtryck

Publications (1)

Publication Number Publication Date
AU502062B1 true AU502062B1 (en) 1979-07-12

Family

ID=20334010

Family Applications (1)

Application Number Title Priority Date Filing Date
AU38694/78A Expired AU502062B1 (en) 1978-02-16 1978-08-07 Producing groundwood pulp

Country Status (12)

Country Link
US (1) US4207140A (fi)
JP (1) JPS54111589A (fi)
AU (1) AU502062B1 (fi)
BR (1) BR7805664A (fi)
CA (1) CA1074608A (fi)
DE (1) DE2834909B2 (fi)
FI (1) FI69881C (fi)
FR (1) FR2417581A1 (fi)
GB (1) GB2014625B (fi)
NO (1) NO148783C (fi)
NZ (1) NZ188013A (fi)
SE (1) SE420329C (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU570673B2 (en) * 1983-05-23 1988-03-24 Process Evaluation And Development Corp. Continuous thermomechanical digestion and bleaching of pulp

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE422088B (sv) * 1978-11-24 1982-02-15 Mo Och Domsjoe Ab Forfarande for framstellning av slipmassa av lignocellolusahaltiga material
SE433954B (sv) * 1980-03-25 1984-06-25 Mo Och Domsjoe Ab Forfarande och anordning for reduktion av vid framstellning av slipmassa fran vedstockar i stenslipverk uppkomna grovre vedrester och spetor jemte reglering av massans freeness
SE445051B (sv) * 1980-04-10 1986-05-26 Sca Development Ab Sett vid tillverkning av mekanisk, i huvudsak hartsfri cellulosamassa
SE434069B (sv) * 1980-07-09 1984-07-02 Mo Och Domsjoe Ab Forfarande for framstellning av slipmassa
FI61531C (fi) * 1980-11-18 1982-08-10 Tampella Oy Ab Foerfarande foer foerbaettring av efteranvaendningen av vid tilverkningsprocessen foer slipmassa altstrad vaermeenergi
SE451606B (sv) * 1982-09-14 1987-10-19 Sca Development Ab Sett vid blekning av hogutbytesmassor medelst peroxider
US4798652A (en) * 1987-10-19 1989-01-17 Peter Joyce Peroxide bleaching of mechanical pulps
DE3823837A1 (de) * 1988-07-14 1990-01-18 Feldmuehle Ag Verfahren zum herstellen von holzschliff
AU1357097A (en) * 1996-02-27 1997-09-16 Tetra Laval Holdings & Finance Sa Process for sanitizing post-consumer paper fibers and product formed therefrom
FI116575B (fi) * 2004-06-28 2005-12-30 Pom Technology Oy Ab Paperikoneeseen liittyvä menetelmä ja järjestely
SE529475C2 (sv) * 2006-11-22 2007-08-21 Metso Fiber Karlstad Ab Metod för att återvinna värmeenergi från svartlut
FI20215862A1 (fi) * 2021-08-17 2023-02-18 Metsae Board Oyj Menetelmä, sen käyttöjä, massakoostumus ja järjestelmä

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2413583A (en) * 1945-08-11 1946-12-31 St Regis Paper Co Bleaching of groundwood
SE318178B (fi) * 1963-03-15 1969-12-01 Anglo Paper Prod Ltd
AT244996B (de) * 1963-08-26 1966-02-10 Voith Gmbh J M Wirbelabscheider
SE341322B (fi) * 1968-04-02 1971-12-20 Defibrator Ab
US3808090A (en) * 1970-10-01 1974-04-30 F Luhde Mechanical abrasion of wood particles in the presence of water and in an inert gaseous atmosphere
BE792031A (fr) * 1971-12-14 1973-03-16 Mo Och Domsjoe Ab Procede pour la preparation de pulpes mecaniques
US4029543A (en) * 1971-12-14 1977-06-14 Mo Och Domsjo Mechanically freeing wood fibers in the presence of spent peroxide bleaching liquor
SE7317565L (fi) * 1973-12-28 1975-06-30 Selander Stig Daniel
SE413684C (sv) * 1974-09-23 1987-05-18 Mo Och Domsjoe Ab Forfarande for framstellning av cellulosamassa i utbytesomradet 65-95 %
SE403916B (sv) * 1975-06-04 1978-09-11 Rolf Bertil Reinhall Anordning vid malapparater for lignocellulosahaltigt material
SE413784B (sv) * 1976-08-06 1980-06-23 Isel Sa Sett och anordning for att utnyttja i defibreringszonen utvecklat verme for att minimera angforbrukningen vid framstellning av massa for fiberskivor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU570673B2 (en) * 1983-05-23 1988-03-24 Process Evaluation And Development Corp. Continuous thermomechanical digestion and bleaching of pulp

Also Published As

Publication number Publication date
US4207140A (en) 1980-06-10
JPS54111589A (en) 1979-08-31
FR2417581A1 (fr) 1979-09-14
DE2834909A1 (de) 1979-08-23
SE7801813L (sv) 1979-08-17
NO148783B (no) 1983-09-05
SE420329B (sv) 1981-09-28
FR2417581B1 (fi) 1982-05-14
FI69881B (fi) 1985-12-31
GB2014625B (en) 1982-04-07
NZ188013A (en) 1981-05-01
GB2014625A (en) 1979-08-30
BR7805664A (pt) 1979-09-25
NO782600L (no) 1979-08-17
CA1074608A (en) 1980-04-01
SE420329C (sv) 1984-10-15
DE2834909B2 (de) 1979-12-13
FI782415A (fi) 1979-08-17
DE2834909C3 (fi) 1989-02-02
FI69881C (fi) 1986-05-26
NO148783C (no) 1983-12-14
JPS5730438B2 (fi) 1982-06-29

Similar Documents

Publication Publication Date Title
AU519793B2 (en) Papermaking fabrics
AU507773B2 (en) Fibrous electrets
AU523364B2 (en) Producing formcoke
AU526818B2 (en) Calender
AU525499B2 (en) Yarn
AU521567B2 (en) A process for the preparation of groundwood pulp
GB2032911B (en) Opticle fibre manufacture
JPS54125707A (en) Headbox
AU502062B1 (en) Producing groundwood pulp
AU533224B2 (en) Paper pulp
AU510592B2 (en) Making pulp
AU4871379A (en) Deying yarn
AU545074B2 (en) Manufacturing groundwood pulp
AU567714B2 (en) Producing groundwood pulp
AU548676B2 (en) Manufacturing bleached groundwood pulp
AU508783B2 (en) Making fiberboard
AU4607679A (en) Pulp production
JPS551331A (en) Pulp production
AU524447B2 (en) Pulp defibrating apparatus
AU528265B2 (en) Bleaching of pulp
JPS5685489A (en) Pulp production
GB2018259B (en) Making cellulose solutions
AU2261577A (en) Mechanical pulp
AU518960B2 (en) Yarn
AU5402979A (en) Forming pulp